Home / 10,365.30-15,547.95-3,791.70

Finding the Fourth Proportional to 10,365.30, 15,547.95 and 3,791.70

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Solution

The fourth proportional to 10,365.30, 15,547.95 and 3,791.70 is: 5,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.30 : 15,547.95 = 3,791.70 : x
  2. Step 2: Convert to fraction form
    10,365.30/15,547.95 = 3,791.70/x
  3. Step 3: Cross multiply
    10,365.30x = 15,547.95 × 3,791.70
  4. Step 4: Simplify right side
    10,365.30x = 58,953,162.02
  5. Step 5: Solve for x
    x = 58,953,162.02/10,365.30
  6. Step 6: Final answer
    x = 5,687.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.